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Improvements to Concession Assets - Summary of Improvements to Concession Assets (Detail) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Disclosure of detailed information about service concession arrangements [Line Items]      
Beginning balance $ 8,912,544 $ 7,294,318 $ 5,148,431
Additions 1,169,139 1,221,239 1,954,510
Divestitures (23,497) (368)  
Currency translation effect (114,164) 397,355 191,377
Ending balance 9,944,022 8,912,544 7,294,318
Construction in-progress [Member]      
Disclosure of detailed information about service concession arrangements [Line Items]      
Beginning balance 1,707,742 445,924 203,950
Additions 1,417,156 1,400,942 609,743
Transfers (746,710) (147,806) (368,575)
Currency translation effect (1,705) 8,682 806
Ending balance 2,376,483 1,707,742 445,924
Improvements to concession assets [Member]      
Disclosure of detailed information about service concession arrangements [Line Items]      
Beginning balance 10,902,668 9,909,384 7,019,188
Additions 304,042 331,044 2,278,944
Divestitures (30,212) (436)  
Transfers 746,710 147,806 368,575
Currency translation effect (143,440) 514,870 242,677
Ending balance 11,779,768 10,902,668 9,909,384
Total investment [Member]      
Disclosure of detailed information about service concession arrangements [Line Items]      
Beginning balance 12,610,410 10,355,308 7,223,138
Additions 1,721,198 1,731,986 2,888,687
Divestitures (30,212) (436)  
Currency translation effect (145,145) 523,552 243,483
Ending balance 14,156,251 12,610,410 10,355,308
Accumulated amortization [Member]      
Disclosure of detailed information about service concession arrangements [Line Items]      
Beginning balance (3,697,866) (3,060,990) (2,074,707)
Additions (552,059) (510,747) (934,177)
Divestitures 6,715 68  
Currency translation effect 30,981 (126,197) (52,106)
Ending balance $ (4,212,229) $ (3,697,866) $ (3,060,990)